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The brain of any computer system is the CPU. The CPU, or Central Processing Unit, is responsible for executing instructions and performing calculations. It is the component that controls and coordinates the activities of all other hardware components in the computer system. The CPU consists of the ALU (Arithmetic Logic Unit), which performs mathematical and logical operations, the control unit, which manages the flow of data and instructions, and the memory, which stores data and instructions for the CPU to access and process. Therefore, the CPU is considered the brain of the computer system.

The color box indicates the current foreground and background colors. It allows users to select and change the colors they want to use in their work. By clicking on the color box, users can access a color palette and choose the desired colors for their foreground and background. This feature is commonly found in graphic design software and image editing programs.

To zoom in on a section of your picture, you should use the Magnifier tool. This tool allows you to enlarge and view a specific area of the picture in more detail. The Free-Form, Brush, and Eraser tools are not specifically designed for zooming in but rather for making adjustments or edits to the picture.

The correct answer is Pencil because a pencil is commonly used to draw thin, free form lines or curves. Pencils have a pointed tip that allows for precise and controlled drawing, making them ideal for creating intricate and detailed lines or curves. Additionally, pencils can be easily sharpened to maintain a fine point, further enhancing their ability to draw thin lines or curves.

To fill the entire picture or an enclosed shape with color, the appropriate tool to use is "Fill With Color." This tool allows you to select a specific color and apply it to the desired area, ensuring that the entire space is filled with that color. The other options, such as Airbrush, Pencil, and Color box, are not specifically designed for filling shapes with color.

The "Pick color" option is used to set the current foreground or background color of a canvas. This option allows the user to select a specific color from the color palette and apply it to the canvas. It is commonly used in graphic design software or drawing applications to choose the desired color for painting or filling shapes on the canvas.

The F2 key is used to change the name of a file or folder.

A text box is used to enter typewritten words or text in a picture with different background styles. It allows the user to input and edit text within a defined area on the picture. Pencil, brush, and airbrush are tools used for drawing or painting, but they do not specifically serve the purpose of entering text.

The eraser tool is used to remove or erase areas of a picture. It allows the user to delete or eliminate specific parts of an image by simply dragging the eraser tool over the desired area. This tool is commonly used in graphic design and photo editing software to make precise edits and adjustments to images.

The correct answer is F7. F7 is the shortcut key used to check spelling in various applications, including Microsoft Word. When pressed, it runs the spell check feature and highlights any misspelled words in the document. This allows the user to easily identify and correct any spelling errors.

The correct answer is "Menu Bar" because it is the bar that contains menus of commands that can be used. It is typically located at the top of a window or application interface and provides access to various functions and options. The menu bar allows users to navigate through different sections or categories of commands and access specific actions or settings.

WordArt is the correct answer because it is a text-styling feature in MS Word that allows users to create decorative text with various effects such as shadows, gradients, and 3D effects. WordArt can be used to enhance the appearance of titles, headings, or any other text in a document. It provides a range of options for customizing the font, size, color, and style of the text, making it a popular tool for creating visually appealing and creative designs in Word documents.

The correct answer is "Fill Style". This is because the fill style refers to the color and pattern used to fill a closed shape. It determines how the shape is visually represented and can be customized to create different effects and designs.

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The keys 'ctrl' and 'shift' are considered modifier keys. Modifier keys are used in combination with other keys to perform specific functions or commands. They modify the behavior of the other keys on the keyboard when pressed simultaneously.

Paint is a drawing program that allows users to create drawings or edit digital pictures. It supports different file formats, making it versatile and suitable for various tasks. While Ms Word and Word pad are primarily word processing programs, and Movie Maker is a video editing software, Paint specifically focuses on drawing and picture editing, making it the correct answer for this question.

The Alt + F4 key combination is used to close the active item on a computer screen. This can be a window, a program, or a document. It is a shortcut that allows users to quickly close whatever they are currently working on without having to navigate through menus or use the mouse.

Pressing the Windows Logo key and the letter L simultaneously will lock the keyboard. This shortcut is commonly used in Windows operating systems to quickly lock the computer and prevent unauthorized access.

The minimize button is the correct answer because when you click on it, the window is minimized and moved to the taskbar. This allows you to quickly access and switch between different windows or applications without closing them completely.

The bar described in the question is the title bar. It is located at the top of the window and displays the name of the program (WordPad) and the name of the document. The title bar is a common feature in many software applications and helps users identify the program and document they are currently working on.

The shortcut key Shift + Delete is used to delete the selected item permanently without placing it in the recycling bin. This means that the item will be immediately removed from the system without the possibility of being restored or recovered. The other options (Delete and F2 Key) do not specifically indicate that the item will be permanently deleted without going to the recycling bin. Therefore, the correct answer is Shift + Delete.

The "Select" toolbox is used to choose any square or rectangular part of the picture. This toolbox allows the user to select a specific area of the image for editing or manipulation purposes.

The ruler is used for setting the margins of your document. It provides a visual guide that allows you to adjust the left and right margins, as well as the indentation of paragraphs. By using the ruler, you can easily customize the layout and formatting of your document to meet your specific needs.

Both C and D are correct because both the footer and header sections of a document allow for the insertion of page numbers. The footer is typically located at the bottom of each page and can contain information such as page numbers, while the header is usually located at the top of each page and can also include page numbers. Therefore, both options C (Footer) and D (Header) allow for the insertion of page numbers.

The correct answer is "Assemble."

The Free-Form Select tool is used to select any irregularly shaped part of a picture. This tool allows the user to draw a selection outline around the desired area by clicking and dragging the mouse. It is particularly useful when selecting objects or regions that do not have straight edges or regular shapes. The other options, such as Select, Eraser, and Fill With Color, are not specifically designed for selecting irregular shapes and may not provide the same level of accuracy and flexibility as the Free-Form Select tool.

Both text and image can be used as a watermark in a Word document. This means that the user has the option to choose either text or an image, or even both, to be used as a watermark in their document. The answer "Text, Both A and B" correctly identifies all the possible choices for a watermark in a Word document.

The standard toolbar is a toolbar that contains buttons used for performing common actions in WordPad like opening, saving, or printing. It provides quick access to frequently used functions, making it easier for users to perform tasks without having to navigate through menus or use keyboard shortcuts. The standard toolbar is a common feature in many software applications and is designed to improve productivity and user experience.

The shortcut key for inserting a hyperlink in a document is Ctrl + K. This key combination allows users to quickly add a hyperlink to a selected text or object in a document. By pressing Ctrl + K, users can easily insert a hyperlink and specify the URL or location that the hyperlink should direct to. This shortcut saves time and makes it more convenient for users to add links to their documents.

The shortcut key to open My Computer (File Explorer) is Windows Logo + E. This key combination is a quick way to access the File Explorer window, allowing users to browse and manage files and folders on their computer. By pressing the Windows logo key and the letter E simultaneously, users can open the File Explorer window without having to navigate through menus or search for the application.